Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. Rating of a domestic refrigerator is of the order of

2. The operating pressure for refrigerating units using R-12 as a refrigerant is

3. The minimum temperature to which water can be cooled in a cooling tower is

4. The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature)

5. Highest temperature encountered in refrigeration cycle should be

6. A human body feels comfortable when the heat produced by the metabolism of human body is equal to the

7. Which of the following statement is correct?

8. The bank of tubes at the back of domestic refrigerator is

9. The freezing point of sulphur dioxide is

10. The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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